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Chemical Structure| 16861-22-6 Chemical Structure| 16861-22-6

Structure of 16861-22-6

Chemical Structure| 16861-22-6

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Product Details of [ 16861-22-6 ]

CAS No. :16861-22-6
Formula : C7H4Cl2O2
M.W : 191.01
SMILES Code : OC1=C(Cl)C(Cl)=C(C=O)C=C1
MDL No. :MFCD07775189

Safety of [ 16861-22-6 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319
Precautionary Statements:P261-P305+P351+P338

Application In Synthesis of [ 16861-22-6 ]

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

  • Downstream synthetic route of [ 16861-22-6 ]

[ 16861-22-6 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 16861-22-6 ]
  • [ 15469-97-3 ]
  • 2,3-dichloro-4-[(1-trityl-1H-imidazol-2-yl)hydroxymethyl]phenol [ No CAS ]
YieldReaction ConditionsOperation in experiment
76% General procedure: To a solution of 1-tritylimidazole (8.12 g, 26.160 mmol) in anhydrous THF (165 mL) was added n-BuLi (1.28 M in THF, 20.0 mL, 1.67 g, 13.08 mmol) at -20°C over a period of 20 min under nitrogen atmosphere. The red solution was allowed to attain room temperature and stirred for 1 h, then cooled to -78°C. In a separate flask the appropriate aldehyde 1a?c (10.47 mmol) was dissolved in anhydrous THF (4 mL) and added to the red solution dropwise at -78 °C. The reaction mixture was stirred at -78°C for 1 h and slowly brought to room temperature during which red color tuned to yellow and then to colorless. After complete reaction, saturated NH4Cl (250 mL) was added to the reaction mixture at -78°C. The resulting mixture was extracted with EtOAc (3 x 100 mL); the organic layer was separated, washed with water, saturated NaCl, and dried over anhydrous Na2SO4. The organic layer was evaporated in vacuo and the residue washed with cold CH2Cl2. 2,3-Dichloro-4-[(1-trityl-1H-imidazol-2-yl)hydroxymethyl]phenol (3a): white solid (3.99 g, 76percent), m.p. 190.0?191.8°C. 1H-NMR (DMSO-d6) 10.42 (s, 1H, OH), 7.25?7.21 (m, 9H, trityl-H), 7.08 (d, 2H, J = 8.7 Hz, Ar-H), 7.00?6.98 (m, 6H, trityl-H), 6.67 (d, 2H, J = 4.8 Hz, imidazole-H), 5.25 (d, 1H, J = 7.8 Hz, OH), 5.18 (d, 1H, J = 7.8 Hz, CH).
 

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